
<div id="pesquisa">
    <div class="t">Pesquisa:</div>
    <div>
        <form onSubmit="if(this.q.value.length==0) return false;">
            <input type="hidden" name="p" value="<?=$_GET['p'];?>" />
            <input name="q" value="<?=$_GET['q'];?>" />
            <input type="submit" value="Pesquisar" />
        </form>
    </div>
</div>